Comparing 2 models

Claude Sonnet 4.5 vs GPT-5.6 Sol

Facts first, then task-specific rankings. A highlighted cell is better only for that row, not universally.

metric

Model 1Claude Sonnet 4.5

Model 2GPT-5.6 Sol

Best for

Tool & Function Calling (#1)

a General Assistant (#1)

Provider

anthropic

openai

Context

1.1MBest

Input / 1M

$2Best

Output / 1M

$15

$10Best

Tool use

yesBest

Vision

yesBest

Reasoning

yesBest

Open-weight

—

Released

Jan 15, 2025

Jul 9, 2026

task evidence

How they place when the question changes

Lower ranks are better. “Best” marks the strongest option in this shortlist for that task.

Best LLM for Massive Context —#1Best

Best LLM for High-Volume Extraction —#2Best

Best LLM for OpenClaw —#1Best

Best LLM for Tool & Function Calling #1Best #2

Best LLM for Business Writing —#3Best

Best LLM for Structured Data Extraction #7 #2Best

Best LLM for RAG & Long Context —#3Best

Best LLM for Document Parsing —#3Best

Best LLM for a General Assistant —#1Best

Best LLM for Chat & Roleplay —#3Best

Best LLM for Math & Reasoning —#3Best

Best LLM for Agentic Coding —#2Best

Best LLM for Code Completion —#2Best

Best LLM for JSON & Schema Output #6 #2Best

Best LLM for Document Summarization —#5Best

Best LLM for Creative Writing —#3Best

Best LLM for Competition Math —#2Best

Best LLM for Marketing Copy —#3Best

Best LLM for Image Understanding —#3Best

Best LLM for AI Agents —#1Best

Best Value LLM —#4Best

Best LLM for Goose —#1Best

Best LLM for Writing —#4Best

Cheapest Capable LLM —#4Best

Best LLM for Fast Summaries —#2Best

Best LLM for Summarization —#3Best

Best LLM for Grounded RAG —#1Best

Best LLM for Literary Translation —#3Best

Best LLM for Debugging & Code Review —#1Best

Best LLM for Logic & Problem Solving —#1Best

Best LLM for Computer & Browser Use —#1Best

Best LLM for Vision & Documents —#4Best

Best LLM for Everyday Translation —#3Best

Best LLM for Hermes Agent —#1Best

Best Cheap LLM for High Volume —#2Best